Finding the Fourth Proportional to 18,643,061.91, 27,964,594.89 and 5,689,280.49

Step by Step Solution

1. Step 1: Write the proportion equation
   18,643,061.91 : 27,964,594.89 = 5,689,280.49 : x
2. Step 2: Convert to fraction form
   18,643,061.91/27,964,594.89 = 5,689,280.49/x
3. Step 3: Cross multiply
   18,643,061.91x = 27,964,594.89 × 5,689,280.49
4. Step 4: Simplify right side
   18,643,061.91x = 159,098,424,118,430.72
5. Step 5: Solve for x
   x = 159,098,424,118,430.72/18,643,061.91
6. Step 6: Final answer
   x = 8,533,921.35